TRABALHO: PAINEL ÁREA: LASER APRESENTADOR(A) / AUTOR(A): ALANDERSON DA COSTA M OREIRA DOS SANTOS COAUTOR(A) 1: FERNANDO JOSÉ CAMELLO DE LIMA COAUTOR(A) 2: JOSÉ ROBERT SANTOS DE SOUZA COAUTOR(A) 3: OLAVO BARBOSA DE OLIVEIRA NETO COAUTOR(A) 4: CÉLIO FERNANDO DE SOUSA RODRIGUES TEMA DO TRABALHO: LASER THERAPY IN THE TREATMENT OF ORAL MUCOSITIS IN PATIENTS UNDERGOING BONE MARROW TRANSPLANTATION: SYSTEMATIC REVIEW RESUMO: LOW LEVEL LASER THERAPY (LLLT) HAS BEEN WIDESPREAD IN THE CLINICAL ENVIRONMENT BY OFFERING VARIOUS FORMS OF USE ACCORDING TO THE ILLNESS SUFFERED BY EACH PATIENT. IN VIEW OF THE HIGH PREVALENCE OF ORAL MUCOSITIS (OM) IN PATIENTS UNDERGOING TRANSPLANTATION OF HEMATOPOIETIC STEM CELLS, LLLT EMERGES AS AN EFFECTIVE TREATMENT OPTION FOR THIS DISEASE BECAUSE OF ITS PHOTOBIOMODULATORS EFFECTS WHICH ACCELERATE THE HEALING PROCESS. THIS STUDY AIMED TO DEMONSTRATE HOW LLLT WORKS IN THE TREATMENT OF OM IN PATIENTS WHO HAD BONE MARROW TRANSPLANTS, EXPLAINING ITS MECHANISMS IN A CELLULAR LEVEL AND HOW THIS ACTION IS MANIFESTED CLINICALLY. WE ALSO STUDIED WHAT TYPES OF LASER AND WHICH PARAMETERS WERE MORE EFFECTIVE IN THE TREATMENT OF OM. A SYSTEMATIC REVIEW WAS PERFORMED ON PUBMED AND LILACS USING DESCRIPTORS SELECTED IN ACCORDANCE WITH THE DESCRIPTORS IN HEALTH SCIENCES (HTTP://DECS.BVS.BR/). IT WAS FOUND THAT THE TREATMENT OF CHOICE WAS THE HE-NE LASER (632,8NM, 60MW, 2J/CM²) BEING APPLIED DAILY BEFORE EACH RADIATION SESSION DURING 7 WEEKS, REVEALING AN EFFECTIVE AND ATRAUMATIC TECHNIQUE IN THE TREATMENT OF OM. THE RESULTS DEMONSTRATE THE CLINICAL IMPORTANCE OF LLLT DUE TO ITS EFFECTIVENESS IN PROVIDING ACCEPTABLE CONDITIONS OF ORAL HEALTH TO PATIENTS. TRABALHO: PAINEL ÁREA: LASER APRESENTADOR(A) / AUTOR(A): ALEXANDRINO PEREIRA DOS SANTOS NETO COAUTOR(A) 1: REBECA FERRAZ DE MENEZES COAUTOR(A) 2: VANDA SANDERANA MACEDO CARNEIRO COAUTOR(A) 3: NATALIA COSTA BRASILINO COAUTOR(A) 4: MARLENY E. MARQUES DE MARTINEZ GERBI TEMA DO TRABALHO: IN VITRO ANALYSIS OF THE APICAL SEALING OF TEETH AFTER APICECTOMY WITH DRILL OR WITH ER: YAG LASER RESUMO: STUDY EVALUATED THE APICAL SEALING OF TEETH SUBMITTED TO APICECTOMY WITH DRILL OR LASER ER: YAG, WITH OR WITHOUT CEMENT IONOMER GLASS AND CO2 LASER. FIFTY-FOUR HUMAN TEETH WERE DIVIDED INTO NINE GROUPS: GROUP I: APICECTOMY WITH DRILL; GROUP II: APICECTOMY WITH DRILL + RETROFILLING WITH GLASS IONOMER; GROUP III: APICECTOMY WITH DRILL + SURFACE TREATMENT WITH CO2 LASER; GROUP IV: APICECTOMY WITH ER: YAG LASER (250MJ / 15HZ); GROUP V: APICECTOMY WITH ER: YAG LASER (400MJ / 6 HZ); GROUP VI: APICECTOMY WITH ER: YAG LASER (250MJ / 15HZ) + RETROFILLING WITH GLASS IONOMER; GROUP VII: APICECTOMY WITH ER: YAG LASER (400MJ / 6 HZ) + RETROFILLING WITH GLASS IONOMER; GROUP VIII: APICECTOMY ER: YAG LASER (250MJ / 15HZ) + SURFACE TREATMENT WITH CO2 LASER; GROUP IX: APICECTOMY ER: YAG LASER (400MJ / 6HZ) + SURFACE TREATMENT WITH CO2 LASER. LEAKAGE WAS DETECTED IN ALL GROUPS. WITH DRILL, THE BEST RESULTS WERE SEEN IN GROUP I. GROUP VII SHOWED THE BEST RESULTS WHEN THE GLASS IONOMER WAS USED. IN GROUPS WITH CO2 LASER, THE LESS LEAKAGE WAS IN GROUP V.RESULTS CONFIRMED THE EFFECTIVENESS OF LASERS IN PARAENDODONTIC SURGERY REDUCING PERMEABILITY AND IMPROVING APICAL SEAL. TRABALHO: PAINEL ÁREA: LASER APRESENTADOR(A) / AUTOR(A): AM ANDA M ACIEL DO PRADO COAUTOR(A) 1: ALEXANDRINO PEREIRA DOS SANTOS NETO COAUTOR(A) 2: REBECA FERRAZ DE MENEZES COAUTOR(A) 3: EDILMA DA CRUZ CAVALCANTE COAUTOR(A) 4: MARLENY ELIZABETH MÁRQUEZ DE M GERBI TEMA DO TRABALHO: LASER THERAPY IN FACIAL BELL’S PALSY. SERIES OF CLINICAL CASES RESUMO: BELL'S PALSY IS THE FACIAL NERVE'S ACUTE PARALYSIS OF UNKNOWN CAUSE CHARACTERIZED BY INABILITY TO CONTROL THE FACE’S PERIPHERAL MUSCLES WITH CONSEQUENT MUSCLES CONTRACTION FAILURE AND FACIAL’S EXPRESSION LOSS. CHARACTERIZED BY PAIN IN AURICULAR REGION, MAY AFFECT SALIVATION, TEARING AND TASTING. LOW POWER LASER CAUSES AN INFLAMMATORY REDUCTION, REPAIR ACCELERATION AND INCREASE IN DENSITY NERVE FIBERS AVERAGE.THE AIM WAS TO REPORT A TREATMENT CASES SERIES OF PATIENTS DIAGNOSED WITH BELL'S PALSY THROUGH USE OF LASER THERAPY, CLINICAL PROTOCOL USED AND FOLLOW UP AFTER TWELVE WEEKS.PATIENTS WITH BELL’S PALSY DIAGNOSTIC RECEIVED LASER THERAPY TWICE A WEEK FOR 24 WEEKS. LASER THERAPY PROTOCOL CONSISTED OF A 40J/CM² COMPLETE DOSIMETRY IN EACH SESSION DIVIDED INTO 40 POINTS OF 0.5J/CM² AND A 20J/CM² BY SCAN. AFTER EACH SESSION, THE PATIENT WAS ASSESSED ACCORDING TO SUBJECTIVE IMPROVEMENT SCALE.PATIENTS REPORTED INCREASE OF FACE’S RELAXATION AFTER 4 SESSIONS, PAIN REDUCTION AFTER 7 SESSIONS, IMPROVEMENT RELATIVES’S PERCEPTION OF FACE’S RELAXATION AFTER 8 SESSIONS, FACIAL FURROWS REAPPEARANCE AND IMPROVEMENT IN SOCIAL AND FAMILY LIFE AFTER 14 SESSIONS. LASER THERAPY IN TREATMENT OF BELL'S PALSY PROMOTED BETTER FACIAL MUSCLES RELAXATION, NATURAL TIME DISEASE REDUCING AND IMPROVEMENT IN FACIAL EXPRESSION EVEN IN PARALYSIS WITH FINALITY. TRABALHO: PAINEL ÁREA: LASER APRESENTADOR(A) / AUTOR(A): BRENO AM ARAL ROCHA COAUTOR(A) 1: CAMILLA VILANE VILAS BOAS COAUTOR(A) 2: RENATA INEZ DE FREITAS MARQUES CHAVES COAUTOR(A) 3: HIGOR VILANE VILAS BOAS COAUTOR(A) 4: MÁRIO RODRIGUES DE MELO FILHO TEMA DO TRABALHO: THE APPROACH OF ORAL LESIONS OF STEVENSJOHNSON SYNDROME WITH LASER THERAPY: A CASE REPORT RESUMO: THE STEVENS-JOHNSON SYNDROME (SJS) IS AN IMMUNE HYPERSENSITIVITY REACTION INVOLVING SKIN AND MUCOUS MEMBRANES, CONSIDERED RARE AND POTENTIALLY FATAL. DRUG HYPERSENSITIVITY IS THE MAIN CAUSE, MANIFESTED AS RASH, PROGRESSING TO EXTENSIVE EPIDERMAL DISPLACEMENT, AND INVOLVES, IN MOST CASES, ORAL, OCULAR, AND GENITAL MUCOSA. ORAL LESIONS ARE PAINFUL, LEADING TO HYPOREXIA. IN THIS CONTEXT, LOW LEVEL LASER THERAPY (LLLT) MAY HAVE AN IMPORTANT ANTIALGIC ROLE, MODULATING INFLAMMATION AND CICATRIZATION OF THOSE LESIONS. FEMALE, 17Y.O, ADMITTED TO THE HOSPITAL SANTA CASA DE MONTES CLAROS (MG), WITH GENERALIZED RASH, ORAL ULCERS, FEVER AND ODYNOPHAGIA. HER MEDICAL HISTORY REVEALED EPILEPSY AND THE USE OF LAMOTRIGINE 25 MG/DAY FOR 2 WEEKS. THE CLINICAL CHARACTERISTICS AND HISTORY LED TO THE DIAGNOSIS OF SJS, TREATED WITH HYDRATION, CORTICOSTEROIDS, ANALGESICS AND ANTIBIOTICS. AFTER 4 DAYS, SHE REDUCED FOOD INTAKE DUE TO THE PAIN CAUSED BY ULCERS IN LIPS, CHEEK, TONGUE, PALATE AND ORAL FLOOR, BEING INITIATED LLLT (THERAPY XT, SPOT SIZE: 0.028CM², 650NM, 100MW, 14,28J/CM², 04 SECONDS AND 0.4J/POINT, CONTINUOUS IN CONTACT OF 24/24H). IN THE 5TH SESSION OF LLLT, THE LESIONS WERE HEALED. IT WAS FOUND THAT THE LLLT REDUCED PAIN AND ACCELERATED CICATRIZATION PROCESS, MAKING IT AN IMPORTANT MEASURE TO THE SUPPORT OF SJS PATIENTS. TRABALHO: PAINEL ÁREA: LASER APRESENTADOR(A) / AUTOR(A): CARLA RAQUEL FONTANA M ENDONCA COAUTOR(A) 1: JUÇAIRA STELLA M GIUSTI COAUTOR(A) 2: FERNANDA ROSSI PAOLILLO COAUTOR(A) 3: VANDERLEI SALVADOR BAGNATO TEMA DO TRABALHO: EFFECT OF PHOTODYNAMIC THERAPY ON DENTAL PLAQUE BACTERIA: AN STUDY IN VITRO RESUMO: PHOTODYNAMIC THERAPY HAS BEEN SUPPORTED AS AN ALTERNATIVE TO ANTIMICROBIAL AGENTS TO SUPPRESS SUBGINGIVAL SPECIES RELATED WITH PERIODONTAL DISEASE. THE AIM OF THIS STUDY WAS INVESTIGATE THE EFFECTS OF PDT ON DENTAL PLAQUE BACTERIA IN VITRO USING METHYLENE BLUE (MB) AND CURCUMIN. SAMPLES OF DENTAL PLAQUE WERE TAKEN FROM 10 SUBJECTS AND PLACED INTO ONE VIAL CONTAINING 4.5ML OF PREREDUCED, ANAEROBICALLY STERILIZED RINGERS SOLUTION. THE MICROORGANISMS FROM THE PLAQUE SAMPLES WERE DISPERSED BY REPEATED PASSAGE THROUGH PASTEUR PIPETTES. ALIQUOTS WERE TRANSFERRED TO 1-ML CUVETTES AND THE OPTICAL DENSITY OF THE BACTERIAL SUSPENSIONS WAS MEASURED IN A SPECTROPHOTOMETER AT 600NM. EACH SAMPLE FROM THE SUBJECTS WAS DIVIDED INTO 2 PARTS: (1) IN SUSPENSION, WAS EXPOSED TO PDT; (2) WAS USED FOR THE DEVELOPMENT OF BIOFILMS, WHICH WERE EXPOSED TO PDT ONE WEEK LATER. IN SUSPENSION AND BIOFILM WE COMPARED THE PHOTODYNAMIC EFFECTS OF MB AND CURCUMIN. THE ENERGY FLUENCIES USED WERE 30J/CM2. FOLLOWING THE TREATMENT, SURVIVAL FRACTIONS WERE CALCULATED BY COUNTING THE NUMBER OF COLONY-FORMING UNITS. PHOTODYNAMIC THERAPY REDUCED PERIODONTAL SPECIES ESPECIALLY ON PLANKTONIC PHASE. IN BIOFILM THE BEST REDUCTIONS WERE APPROXIMATELY 50%, SO NOVEL DRUGS OR DELIVERY SYSTEMS MAY NEED TO BE DEVELOPED TO DISTURB THE COMPLEXITY OF DENTAL BIOFILMS. TRABALHO: PAINEL ÁREA: LASER APRESENTADOR(A) / AUTOR(A): CAROLINE FARIAS LEM OS COAUTOR(A) 1: MARTA RABELLO PIVA COAUTOR(A) 2: NAYANE C CHAGAS COAUTOR(A) 3: ROSILENE SOARES TEMA DO TRABALHO: EFFECTS OF LOW-POWER LASER THERAPY IN A RAT MODEL OF ORAL CARCINOGENESIS RESUMO: THE AIM OF THIS STUDY WAS TO EVALUATE THE EFFECTS OF LOW-POWER LASER THERAPY(LPLT) ON THE DIFFERENT PHASES OF A MODEL OF ORAL CARCINOGENESIS INDUCED BY 4NQO IN RATS. THE RODENTS WERE RANDOMLY DIVIDED INTO 8 GROUPS (G0 TO G7) OF 6 ANIMALS EACH, COMPRISING 4 CONTROL GROUPS (G0, G2, G4 AND G6) AND 4 TEST GROUPS (G1, G3, G5 AND G7).THE ANIMALS IN THE CONTROL GROUPS RECEIVED A TOPICAL APPLICATION OF 4NQO ON THE TONGUE THE ANIMALS IN THE TEST GROUPS WERE IRRADIATED (λ 660 NM, 100 MW, AREA: 0.03 CM2, 70 J/CM2, 20 SEC, 2J) THREE TIMES A WEEK FOR 4 WEEKS . A LASER LIGHT WAS APPLIED TO THE ANIMALS IN GROUP G1 FOR 12 WEEKS, WHEREAS THE LASER WAS APPLIED IN GROUP G3 CONCURRENTLY WITH THE 4NQO APPLICATION. AFTER EUTHANASIA, THE TISSUE SAMPLES WERE ANALYZED MORPHOLOGICALLY AND HISTOPATHOLOGICALLY. LPLT WAS ABLE TO INHIBIT THE PROGRESSION OF CARCINOGENESIS IN THE RATS THAT DEVELOPED EPITHELIAL DYSPLASIA (P = 0.032). IN RATS DIAGNOSED WITH MICROINVASIVE CARCINOMAS, LASER LIGHT PREVENTED THE DEVELOPMENT OF TUMORS (P = 0.015). FURTHER STUDIES ARE WARRANTED USING STANDARDIZED PROTOCOLS THROUGH THE APPLICATION OF THIS LPLT TECHNIQUE TOGETHER WITH THE CLINICAL AND HISTOLOGICAL EVALUATION OF LESIONS. TRABALHO: PAINEL ÁREA: LASER APRESENTADOR(A) / AUTOR(A): DIEGO PORTES VIEIRA LEITE COAUTOR(A) 1: FERNANDA ROSSI PAOLILLO COAUTOR(A) 2: VANDERLEI SALVADOR BAGNATO COAUTOR(A) 3: VITOR HUGO PANHÓCA COAUTOR(A) 4: CARLA RAQUEL FONTANA TEMA DO TRABALHO: PHOTODYNAMIC THERAPY (PDT) WITH BLUE LED AND CURCUMIN FOR ORAL DISINFECTION RESUMO: PHOTODYNAMIC THERAPY (PDT) HAS BEEN USED FOR BACTERIAL INACTIVATION IN DENTISTRY WITH SELECTIVE ACTION TARGETING ONLY AREAS WITH PHOTOSENSITIZER ACCUMULATION. THE AIM OF THIS STUDY WAS TO EVALUATE THE EFFECTS OF THE ANTIMICROBIAL PDT WITH BLUE LIGHT AND CURCUMIN ON THE ORAL CAVITY. EIGHTEEN ADULTS WERE RANDOMLY DIVIDED INTO 2 GROUPS: (I) PDT GROUP - TREATED WITH CURCUMIN AND BLUE LIGHT; (II) LIGHT GROUP - TREATED ONLY WITH THE BLUE LIGHT. THE NATURAL CURCUMIN (CURCUMIN 53.4% AND CURCUMINOID 46.16%) WITH CONCENTRATION OF 30 MG/L WAS USED. THE IRRADIATION PARAMETERS WERE: BLUE LED (450 NM), 400 MW, 600 MW/CM2 AND 200 J/CM2. THE SALIVA SAMPLES WERE COLLECTED FOR BACTERIAL COUNTS AT BASELINE AND AFTER THE EXPERIMENTAL PHASE. SERIAL DILUTIONS WERE PERFORMED, AND THE RESULTING SAMPLES WERE CULTURED ON BHI AGAR PLATES WITH SHEEP BLOOD. THE NUMBER OF COLONY FORMING UNITS (CFU) WAS DETERMINED. THE PDT GROUP SHOWED A SIGNIFICANT REDUCTION OF CFU (1.26E+00±1.30E+00, P˂0.05). THE PDT USING CURCUMIN AND BLUE LED REDUCED SALIVARY MICROORGANISMS, LEADING TO OVERALL DISINFECTION OF THE MOUTH, FOR EXAMPLE, MUCOSA, TONGUE, AND SALIVA. TRABALHO: PAINEL ÁREA: LASER APRESENTADOR(A) / AUTOR(A): DIEGO PORTES VIEIRA LEITE COAUTOR(A) 1: HUGO BASTOS COAUTOR(A) 2: FERNANDA ROSSI PAOLILLO COAUTOR(A) 3: VANDERLEI SALVADOR BAGNATO TEMA DO TRABALHO: ANTIMICROBIAL PHOTODYNAMIC ENDODONTIC TREATMENT: A CASE REPORT THERAPY FOR RESUMO: ANTIMICROBIAL PHOTODYNAMIC THERAPY (A-PDT) USES A PHOTOSENSITIZE ACTIVATED BY LIGHT OF A SPECIFIC WAVELENGTH AND RESULTS IN THE PRODUCTION OF REACTIVE OXYGEN SPECIES (ROS) TO AFFECT THE VIABILITY OF BACTERIAL CELLS. IN THIS CONTEXT, A-PDT HAS NO SIDE EFFECTS, AND BACTERIA DO NOT DEVELOP RESISTANCE TO ROS. THE AIM THIS STUDY WAS INVESTIGATED THE EFFECTS OF THE A-PDT IN ENDODONTIC TREATMENT. A CASE REPORT WAS DEVELOPED. THE ADULT MALE PRESENTED SYMPTOMATIC PERIAPICAL ABSCESS WITH FACE SWELLING, PUS DRAINAGE FROM THE VESTIBULAR GROOVE (UPPER MAXILLARY LATERAL INCISOR). IN THE FIRST SESSION, ENDODONTIC INSTRUMENTATION AND DISINFECTION MANEUVERS WERE CARRIED OUT. THE PASSIVE ULTRASONIC IRRIGATION (PUI) WITH 5.25% OF SODIUM HYPOCHLORITE (NAOCL) AND 17% OF ETHYLENEDIAMINETETRAACETIC ACID (EDTA) WERE MADE. NEXT, THE A-PDT WITH METHYLENE BLUE (0.005%) DURING 5 MINUTES AND RED LASER (660NM, 100 MW) DURING 3 MINUTES WAS PERFORMED. THE OPTICAL FIBER PROBE WAS LED TO THE FISTULA VIA ROOT CANAL. AFTER 14 DAYS OF INTRA CANAL MEDICAMENTS, THERE WAS NO FISTULA-BAG. THERE WERE NO SIGNS OR SYMPTOMS OF INFECTION. MOREOVER, THE RADIOGRAPHIC IMAGES DURING PREAND POSTTREATMENT SHOWED BONE NEOFORMATION. THE A-PDT WAS AN IMPORTANT ADJUVANT TO ENDODONTIC TREATMENT. TRABALHO: PAINEL ÁREA: LASER APRESENTADOR(A) / AUTOR(A): FERNANDA ROSSI PAOLILLO COAUTOR(A) 1: ALESSANDRA ROSSI PAOLILLO COAUTOR(A) 2: AUDREY BORGHI-SILVA COAUTOR(A) 3: NIVALDO ANTONIO PARIZOTTO COAUTOR(A) 4: VANDERLEI SALVADOR BAGNATO TEMA DO TRABALHO: PHOTOTHERAPY PREVENTION OF OSTEOPOROSIS AND PHYSICAL EXERCISE IN RESUMO: OSTEOPOROTIC AND FRACTURES ARE MAJOR CAUSES OF DYSFUNCTION, MORTALITY AND IMPAIRED LIFE QUALITY IN THE AGEING POPULATION. THE OBJECTIVE OF THIS STUDY WAS TO EVALUATE THE EFFECTS OF THE INFRARED-LED (850NM) ASSOCIATED WITH TREADMILL TRAINING ON BONE MASS DURING AGING. NINETEEN POSTMENOPAUSAL WOMEN (50-60 YEARS OLD) PARTICIPATED IN THIS STUDY DURING A PERIOD OF ONE YEAR. THEY WERE SEPARATED IN 2 GROUPS: THE CONTROL GROUP, CARRIED OUT WITH ONLY TREADMILL TRAINING AND; LED GROUP, WITH PHOTOTHERAPY DURING TREADMILL TRAINING. THE TRAINING CONSISTED OF WALKING TWICE A WEEK FOR 45 MIN AT INTENSITIES BETWEEN 85-90% MAXIMAL HEART RATE. THE IRRADIATION PARAMETERS WERE 100MW, TREATMENT TIME OF 45 MIN AND 108 J/CM2. THE TREATMENT WAS EVALUATED THROUGH DUAL-ENERGY XRAY ABSORPTIOMETRY (DEXA) SCANS [FEMUR BONE MINERAL DENSITY (BMD)]. THE FEMUR BMD SIGNIFICANTLY REDUCED FOR THE CONTROL GROUP [FROM 0.979±0.130 TO 0.954±0.127 G/CM2 (P˂0.05)], BUT NOT FOR THE LED GROUP. THESE FINDINGS SUGGEST THAT LEDTHERAPY (INFRARED RADIATION) MAY BE A BENEFIT IN ENHANCING OF THE BONE STRENGTH AND CONTRIBUTES TO PREVENTION OF FALLS AND FRACTURES DURING AGING. TRABALHO: PAINEL ÁREA: LASER APRESENTADOR(A) / AUTOR(A): FERNANDA ROSSI PAOLILLO COAUTOR(A) 1: PHAMILLA GRACIELLI SOUZA RODRIGUES COAUTOR(A) 2: VITOR HUGO PANHÓCA COAUTOR(A) 3: CRISTINA KURACHI COAUTOR(A) 4: VANDERLEI SALVADOR BAGNATO TEMA DO TRABALHO: FLUORESCENCE DECALCIFICATION OF TEETH: A STUDY IN VITRO SPECTROSCOPY DURING RESUMO: MENOPAUSE OR PREGNANCY MAY LEAD TO ORAL DISEASE, CHANGES IN CALCIUM METABOLISM, DEMINERALIZATION AND LOSS OF TOOTH WHICH COULD BE REGISTERED BY SEVERAL OPTICAL METHODS. FLUORESCENCE SPECTROSCOPY IS AN OPTICAL TECHNIQUE THAT HAS BEEN USED, FOR EXAMPLE, IN ANALYTICAL CHEMISTRY AND FOR DETECTION OF DENTAL CARIES. THE AIM OF THIS STUDY WAS TO INVESTIGATE TEETH DEMINERALIZATION BY FLUORESCENCE SPECTROSCOPY. A STUDY IN VITRO WAS PERFORMED WITH TEETH OF RATS AND HUMAN. THE TEETH WERE DECALCIFIED WITH 4% EDTA (41,3G) AND NAOH (4.4 G) SOLUTION. THE PH WAS MAINTAINED BETWEEN 7.2 AND 7.4. THE TEETH WERE WASHED WITH WATER AND THE SOLUTION WAS CHANGED TWICE A WEEK DURING TWO MONTHS. FLUORESCENCE SPECTRA WAS OBTAINED WITH EXCITATION AT 532NM (GREEN) AND 408NM (VIOLET) (MEASURED IN ARBITRARY UNITS [A.U.]) AND EMISSION AT 490 NM (PEAK INTENSITY). THE FLUORESCENCE INTENSITY WAS INCREASED AFTER RATS' TOOTH DECALCIFICATION FOR BOTH 532NM (∆=1247±905 A.U.) AND 408 NM (∆=1219±1111 A.U). HOWEVER, THE FLUORESCENCE INTENSITY OF THE HUMAN' TOOTH WAS REDUCED FOR 532NM (∆=-202±634 A.U.) AND INCREASED FOR 408NM (∆=2162±486 A.U.). DIFFERENCES IN PEAK INTENSITIES INDICATED CHANGES IN CALCIUM CONCENTRATION WITH HIGHER ORGANIC CONTENT (PROTEIN). TRABALHO: PAINEL ÁREA: LASER APRESENTADOR(A) / AUTOR(A): FERNANDA ROSSI PAOLILLO COAUTOR(A) 1: CECÍLIA DO AMPARO MANOEL COAUTOR(A) 2: VANDERLEI SALVADOR BAGNATO TEMA DO TRABALHO: FACE AESTHETICS WITH PHOTODYNAMIC THERAPY AND PHOTOTHERAPY: CASES REPORT RESUMO: POLYCLINICS AND MULTIDISCIPLINARY ACTION, INCLUDING DENTISTRY AND AESTHETICS PROFESSIONALS CAN GENERATE HEALTH, BEAUTY AND WELLBEING. PHOTOTHERAPY (INFRARED AND RED LIGHTS) IMPROVES CELLULAR ACTIVATION VIA ABSORPTION OF PHOTONS BY CHROMOPHORES IN MITOCHONDRIA LEADING TO ANTI-INFLAMATORY EFFECTS AND TISSUE REGENERATION. THE AMBER LIGHT INCREASES COLLAGEN AND ELASTIN SYNTHESIS. THE BLUE AND RED LIGHTS ARE ABSORBED BY PORPHYRINS IN PROPIONIBACTERIUM ACNES LEADING TO ANTIBACTERIAL ACTION. MOREOVER, THE BLUE AND RED LIGHTS COMBINED WITH 5-AMINOLEVULINIC ACID (5-ALA) MAY POTENTIATE FACE AESTHETICS BY PHOTODYNAMIC THERAPY (PDT). THE AIM THIS STUDY WAS TO INVESTIGATE THE EFFECTS OF PHOTOTHERAPY AND PDT ON FACE AESTHETICS. THE REPORT OF FOUR CASES WERE DEVELOPED. CASE 1: ACNE TREATMENT WITH BLUE AND RED LIGHTS (30J) DURING 6 SESSIONS; CASE 2: SKIN-WHITENING WITH BLUE, AMBER, RED AND INFRARED RADIATION (60J) DURING 6 SESSIONS; CASE 3: ACNE TREATMENT WITH PDT USING 5-ALA (20%) AND RED LIGHT; CASE 4: SKIN-WHITENING USING 5-ALA (20%) AND BLUE LIGHT. THE INTENSITY OF 125 MW/CM2 WAS USED FOR PDT DURING 2 SESSIONS. PHOTOGRAPHIC DOCUMENTATION OF THE SKIN WAS CARRIED OUT BEFORE AND AFTER TREATMENTS. THE RESULTS EVIDENCED FACE AESTHETICS WITH BOTH TECHNIQUES (PHOTOTHERAPY AND PDT), HOWEVER, THE TIME OF TREATMENT WAS REDUCED WITH PDT. TRABALHO: PAINEL ÁREA: LASER APRESENTADOR(A) / AUTOR(A): FERNANDA ROSSI PAOLILLO COAUTOR(A) 1: ALESSANDRA ROSSI PAOLILLO COAUTOR(A) 2: JÉSSICA JOÃO COAUTOR(A) 3: HERBERT JOÃO COAUTOR(A) 4: VANDERLEI SALVADOR BAGNATO TEMA DO TRABALHO: TREATMENT OF PAIN WITH ULTRASOUND PLUS LASER RESUMO: PATIENTS WITH PAIN, ESPECIALLY CHRONIC PAIN, AVOID MOVEMENTS LEADING TO A GRADUAL IMPAIRMENT OF THEIR FUNCTIONALITY. THE AIM OF THIS STUDY WAS TO EVALUATE THE EFFECTS OF THE ULTRASOUND (US) PLUS LASER ON PAIN IN WOMEN WITH HANDS OSTEOARTHRITIS. TWENTY FOUR WOMEN WITH HAND OSTEOARTHRITIS (60 TO 80 YEARS OLD), WERE RANDOMLY ASSIGNED TO ONE OF 2 GROUPS: (I) THE PLACEBO GROUP: THE PROTOTYPE WITHOUT EMITTING ENERGY WAS APPLIED, (II) THE US+LASER GROUP: PROTOTYPE WITH EMITTING ENERGY WAS APPLIED. THE OUTPUT POWER OF THE EACH LASER WAS FIXED AT 100MW. SIMULTANEOUSLY, THE 1MHZ US WITH 1.0W/CM2 AND PULSED MODE 1:1 (DUTY CYCLE 50%) WAS APPLIED DURING 15 MINUTES PER SESSION. AN ELECTRONIC ALGOMETER WAS USED TO MEASURE THE PRESSURE PAIN THRESHOLDS (PPT) ON HAND. THERE WAS NO PLACEBO EFFECT. HOWEVER, THERE WAS A SIGNIFICANT INCREASE OF PPT FOR THE UL+LASER GROUP (FROM 42±26N TO 72±15N, P˂0.05). THE NEW DEVICE THAT COMBINES US AND LASER PROMOTED THE TREATMENT OF PAIN IN OSTEOARTHRITIS. TRABALHO: PAINEL ÁREA: LASER APRESENTADOR(A) / AUTOR(A): FERNANDA ROSSI PAOLILLO COAUTOR(A) 1: DANIELA BASSI DUTRA COAUTOR(A) 2: VANDERLEI SALVADOR BAGNATO COAUTOR(A) 3: NIVALDO ANTONIO PARIZOTTO COAUTOR(A) 4: AUDREY BORGHI-SILVA TEMA DO TRABALHO: LOCAL AND SYSTEMIC EFFECTS OF PHOTOTHERAPY RESUMO: BIOPHYSICS AND BIOCHEMISTRY EFFECTS OF PHOTOTHERAPY LEAD TO HIGHER PRODUCTION OF ATP, GENE MODULATION AND TISSUE REGENERATION ASSOCIATED WITH ANTI-INFLAMMATORY EFFECTS THE AIM OF OUR STUDY WAS TO EVALUATE THE EFFECT OF LOW-LEVEL LASER THERAPY (LLLT) ON MUSCLE GENE EXPRESSION AND CARDIAC AUTONOMIC CONTROL IN RATS. TWENTY RATS WERE DIVIDED INTO 2 GROUPS: CONTROL GROUP (CG) AND LLLT GROUP (LLLT). MATRIX METALLOPROTEINASE (MMP-2) GENE EXPRESSION IN TIBIALIS ANTERIOR (TA) AND HEART RATE VARIABILITY (HRV) INDICES WERE PERFORMED. THE GENE EXPRESSION WAS SIGNIFICANTLY INCREASED AT 50% FOR THE LLLT GROUP. IN ADDITION, THERE WAS A SIGNIFICANT REDUCTION (70%, P<0.001) OF LOW FREQUENCY [LF (MS2)] AND A SIGNIFICANT INCREASE (80%, P<0.001) OF HIGH FREQUENCY [HF (UN)] THAN CG. THIS WAS A NOVEL FINDING. THE TA (HINDLIMB) OF RATS WAS IRRADIATED WITH LLLT, WHICH RESULTED IN MODULATION OF BOTH HRV (SYSTEMIC EFFECT) AND MMP-2 (LOCAL EFFECT). TRABALHO: PAINEL ÁREA: LASER APRESENTADOR(A) / AUTOR(A): FERNANDA ROSSI PAOLILLO COAUTOR(A) 1: THIAGO MALDONADO COAUTOR(A) 2: CLEBER FERRARESI COAUTOR(A) 3: NIVALDO ANTONIO PARIZOTTO COAUTOR(A) 4: VANDERLEI SALVADOR BAGNATO TEMA DO TRABALHO: PHOTOTHERAPY WITH LEDS ARRAYS TO IMPROVE MUSCLE PERFORMANCE RESUMO: PHOTOTHERAPY HAS BEEN USED TO ENHANCE MUSCLE FUNCTION. THE AIM OF THIS STUDY WAS TO EVALUATE THE EFFECTS OF LEDTHERAPY ON THE MUSCLE POWER OF SOCCER PLAYERS AFTER 6 WEEKS OF SOCCER TRAINING. SIXTEEN SOCCER ATHLETES WERE RANDOMLY SEPARATED INTO 2 GROUPS: (I) TRAINING GROUP ASSOCIATED WITH THE LEDTHERAPY (LEDT GROUP) AND (II) TRAINING GROUP ASSOCIATED WITH THE PLACEBO THERAPY (PLACEBO GROUP). LEDTHERAPY (850 NM, 50 MW, 30 S AND 75 J) OR PLACEBO THERAPY WERE APPLIED ON THE QUADRICEPS, HAMSTRINGS AND SURAL TRICEPS DURING 12 SESSIONS. THE MUSCLE POWER WAS EVALUATED THROUGH THE JUMP PLATFORM (VERTICAL JUMP) IN THE PERIOD PRE AND POST TRAINING PLUS LEDTHERAPY OR PLACEBO THERAPY. THERE WAS NO PLACEBO EFFECT. THE LEDTHERAPY GROUP SHOWED SIGNIFICANT INCREASES FOR MUSCLE POWER (9.46%, P˂0,05). THEREFORE, LEDTHERAPY APPLIED AFTER PHYSICAL TRAINING CAN IMPROVE MUSCLE PERFORMANCE OF SOCCER PLAYERS. TRABALHO: PAINEL ÁREA: LASER APRESENTADOR(A) / AUTOR(A): FERNANDA ROSSI PAOLILLO COAUTOR(A) 1: ALESSANDRA ROSSI PAOLILLO COAUTOR(A) 2: ALESSANDRO MÁRCIO HAKME SILVA COAUTOR(A) 3: VANDERLEI SALVADOR BAGNATO COAUTOR(A) 4: JOSÉ MARCOS ALVES TEMA DO TRABALHO: STIMULATION OF THE BONE TISSUE WITH ULTRASOUND PLUS LASER RESUMO: THE STIMULATION OF BONE TISSUE IS GOAL IN DENTISTRY. THE AIMS OF THIS STUDY WAS TO EVALUATE THE EFFECTS OF LOW PULSED INTENSITY ULTRASOUND (LIPUS) AND INFRARED LOW LEVEL LASER THERAPY (LLLT) ON THE BONE REPAIR OF A TRANSVERSE RAT TIBIA FRACTURE WITH DELAYED UNION. AN EASILY IMPLEMENTED TRANSVERSE OSTEOTOMY WITH A KIRSCHNER WIRE AND 2MM WIDTH POLYMERIC SPACER BEADS ESTABLISHED A DELAYED UNION IN THE FRACTURE. TWENTY FOUR RATS WERE DIVIDED INTO FOUR EXPERIMENTAL GROUPS: CONTROL GROUP – UNTREATED; LIPUS GROUP – TREATED WITH LIPUS (1,5MHZ, 1:4 DUTY CICLE, 30MW/CM², 20 MINUTES); LASER GROUP – TREATED WITH INFRARED LLLT (808NM, 100MW, 2500MW/CM², 125J/CM², 50 SECONDS); LIPUS+LASER GROUP – TREATED WITH LIPUS PLUS LLLT. THE TREATMENTS WITH INFRARED LLLT AND LIPUS STARTED 5 WEEKS AFTER THE SURGERY FOLLOWING A SEQUENCE OF 5 DAYS ON AND 2 DAYS OFF UNTIL 12 SESSIONS WERE REACHED. THE X-RAY MICROTOMOGRAPHY (µCT) WAS PERFORMED. THERE WAS SIGNIFICANT DIFFERENCE BETWEEN TREATMENTS RESULT FOR THE PARAMETER CONNECTIVITY DENSITY (CONN.D - MM-3) IN THE LIPUS+LASER GROUP THAN CONTROL GROUP (289±111 VS 193±79, P˂0.05). THEN, THE LIPUS PLUS LLLT INCREASED BONE CONNECTIVITY. TRABALHO: PAINEL ÁREA: LASER APRESENTADOR(A) / AUTOR(A): LETICIA DEL RIO SILVA COAUTOR(A) 1: FERNANDO JOSÉ CAMELLO DE LIMA COAUTOR(A) 2: OLAVO BARBOSA DE OLIVEIRA NETO COAUTOR(A) 3: KHADINE DANIELLE BEZERRA DE ALMEIDA COAUTOR(A) 4: CÉLIO FERNANDO DE SOUSA RODRIGUES TEMA DO TRABALHO: USE OF LASER THERAPY IN THE TREATMENT OF ORAL MUCOSITIS IN PATIENTS UNDERGOING CHEMOTHERAPY: SYSTEMATIC REVIEW. RESUMO: ORAL MUCOSITIS (OM) IS ONE OF THE MOST COMMON COMPLICATIONS DURING CHEMOTHERAPY, SINCE CHEMOTHERAPY AGENTS HAVE INJURING ACTIVITY ON THE CELLS OF THE BASAL LAYER THAT LEADS TO ATROPHY AND ULCERATION OF THE ORAL SOFT TISSUES BY NO REPLACEMENT OF THE EPITHELIAL AND CONNECTIVE CELLS. DUE TO ITS PHOTOBIOSTIMULATORS EFFECTS, LOW-LEVEL LASER THERAPY (LLLT) IS INDICATED FOR THE TREATMENT OF OM BECAUSE IT INCREASES THE PRODUCTION OF ADENOSINE TRIPHOSPHATE, GENERATING MORE ENERGY FOR CELLULAR REPAIR. THE OBJECTIVE OF THIS STUDY WAS TO EVALUATE THE EFFECTIVENESS OF LLLT IN THE TREATMENT OF OM IN PATIENTS UNDERGOING CHEMOTHERAPY. THEREFORE, A SYSTEMATIC REVIEW WAS CONDUCTED IN PUBMED AND LILACS. THE DESCRIPTORS WERE SELECTED ACCORDING TO THE DESCRIPTORS IN HEALTH SCIENCES (HTTP://DECS.BVS.BR/). THE FOLLOWING LASERS AND ADJUSTMENTS PRESENTED POSITIVE RESULTS: DIODE INGAALP (660NM, 100MW, 1-4 J / CM²); GAALAS DIODE (830NM, 100MW, 4J/CM²) AND (685NM, 35MW, 72J/CM²); THE HENE (632,8NM, 24MW, 3,5J/CM²) AND (632,8NM, 24MW, 36-40 J/ CM²). THE LLLT SEEMS TO BE EFFECTIVE IN THE TREATMENT OF OM IN PATIENTS UNDERGOING CHEMOTHERAPY. HOWEVER, THE STANDARDIZATION OF A PROTOCOL FOR THE USE IS NECESSARY FOR LLLT CAN BECOME A SAFE THERAPEUTIC MODALITY.DESCRIPTORS: STOMATITIS, LASER THERAPY LOWLEVEL, CHEMOTHERAPY. TRABALHO: PAINEL ÁREA: LASER APRESENTADOR(A) / AUTOR(A): M ARLENY GERBI COAUTOR(A) 1: ALEXANDRINO PEREIRA DOS SANTOS NETO COAUTOR(A) 2: LUIZ PORTELA GUERRA COAUTOR(A) 3: NATÁLIA COSTA BRASILINO COAUTOR(A) 4: REBECA FERRAZ DE MENEZES TEMA DO TRABALHO: ANALYSIS OF LASER PHOTOBIOMODULATION EFFECTS IN PERI-IMPLANT BONE REPAIR THROUGH BIOMECHANICAL TEST AND ENERGY DISPERSIVE X-RAY FLUORESCENCE: STUDY IN DOGS RESUMO: THE AIM OF THIS STUDY WAS TO EVALUATE THE EFFECTS OF (ASGAAL 830NM – 40MW, CW, Ø ~ 0,3MM, 140J/CM2) LASER RADIATION IN PERI-IMPLANT BONE USING BIOMECHANICAL TEST AND ENERGY-DISPERSIVE X-RAY FLUORESCENCE ANALYSIS OF CALCIUM CONCENTRATION ON TITANIUM DENTAL IMPLANTS IN SHIN BONES OF MONGREL DOGS. TWO GROUPS: G1 (CONTROL, N=20; TWO DENTAL IMPLANTS IN THE TIBIA OF EACH ANIMAL = 10 ANIMALS), G2 (EXPERIMENTAL LASER, N=20; ONE DENTAL IMPLANT IN EACH ANIMAL + LASERTHERAPY=20 ANIMALS). G2 WAS IRRADIATED EACH 48 HOURS, DURING TWO WEEKS, IN A TOTAL OF SEVEN 20J/CM2 SESSIONS, EACH ONE DISTRIBUTED IN FIVE 4J/CM2 SPOTS. FIRST IRRADIATION TOOK PLACE ON THE TRANS-SURGICAL, BEING ONE SPOT ON THE CENTER OF THE SURGICAL ALVEOLUS, BEFORE THE PLACEMENT OF IMPLANT AND OTHER FOUR SPOTS AROUND IT. IN FOLLOWING SIX SESSIONS RADIATION WAS APPLIED TO FIVE SPOTS: ONE TOWARDS THE BOTTOM OF IMPLANT AND OTHER FOUR EQUALLY DISTRIBUTED AROUND IT. SPECIMENS WERE REMOVED 15 AND 30 DAYS POST OPERATION IN ORDER TO MEASURE THE PERIIMPLANTAR CALCIUM CONCENTRATION BY ENERGY-DISPERSIVE X-RAY FLUORESCENCE ANALYSIS. MANN-WHITNEY STATISTICAL TESTS WERE APPLIED TO EVALUATE THE FINDINGS (P < 0.05). CALCIUM CONCENTRATION OF RADIATED SPECIMENS HAD SIGNIFICANT IMPROVEMENTS. TRABALHO: PAINEL ÁREA: LASER APRESENTADOR(A) / AUTOR(A): NATALIA COSTA BRASILINO COAUTOR(A) 1: REBECA FERRAZ DE MENEZES COAUTOR(A) 2: CARLA RAQUEL FONTANA COAUTOR(A) 3: VANDERLEI SALVADOR BAGNATO COAUTOR(A) 4: MARLENY E. M. M. GERBI TEMA DO TRABALHO: PHOTODYNAMIC THERAPY CURCUMIN IN BIOFILMS AND CARIOUS DENTINE ASSOCIATED WITH RESUMO: THE PRESENT STUDY EVALUATED THE SUSCEPTIBILITY OF STREPTOCOCCUS MUTANS AND LACTOBACILLUS ACIDOPHILUS TO PHOTODYNAMIC THERAPY (PDT) GROWN AS MULTI-SPECIES IN THE BIOFILM PHASE VERSUS IN DENTINE CARIOUS LESIONS. A SUPPLEMENTED CULTURE MEDIUM WAS USED TO DEVELOP MULTI-SPECIES BIOFILMS AND TO INDUCE CARIES ON HUMAN DENTINE SLABS. FIVE DIFFERENT CONCENTRATIONS OF CURCUMIN (0.75, 1.5, 3.0, 4.0, AND 5.0 G/L) WERE USED ASSOCIATED WITH 5.7 J/CM2 LIGHT EMISSION DIODE. FOUR DIFFERENT GROUPS WERE ANALYZED L−D− (CONTROL GROUP), L−D+ (DRUG GROUP), L+D− (LIGHT GROUP), AND L+D+ (PDT GROUP). ANOVA/TUKEY’S TESTS WERE CONDUCTED TO COMPARE GROUPS. A SIGNIFICANT REDUCTION (P <0.05) IN CELL VIABILITY WAS OBSERVED IN THE BIOFILM PHASE FOLLOWING PHOTOSENSITIZATION WITH ALL CURCUMIN CONCENTRATIONS TESTED. TO ACHIEVE SIGNIFICANT BACTERIAL REDUCTION (P <0.05) IN CARIOUS DENTINE, IT WAS NECESSARY TO UTILIZE 5.0 G/L OF CURCUMIN IN ASSOCIATION WITH BLUE LIGHT. NO SIGNIFICANT REDUCTION WAS FOUND FOR L−D+, SUPPORTING THE ABSENCE OF THE DRUG’S DARK TOXICITY. S. MUTANS AND L. ACIDOPHILUS WERE SUSCEPTIBLE TO CURCUMIN IN THE PRESENCE OF BLUE LIGHT. HOWEVER, THESE MICROORGANISMS WITHIN DENTINE CARIOUS LESIONS WERE LESS AFFECTED THAN THEY WERE IN THE BIOFILM PHASE. TRABALHO: PAINEL ÁREA: LASER APRESENTADOR(A) / AUTOR(A): NATHALIA BASTOS PINHEIRO TEMA DO TRABALHO: LASER TREATMENT APPLIED TO HEALING PROCESS OF ORAL ULCERS IN PATIENTS WITH DIABETES MELLITUS. RESUMO: A BIBLIOGRAPHIC REVIEW HIGHLIGHTED ARTICLES WITH THE MOST MEANINGFUL FEATURES CONCERNING THE APPLICABILITY OF LASER TREATMENT IN HEALING PROCESS OF ULCERS IN PATIENTS WITH DIABETES. PATIENTS WITH DIABETES MELLITUS SHOWED A GREATER PROBABILITY OF DEVELOPING ULCERS IN ORAL MUCOSA. MOREOVER, SUCH PATIENTS MAY HAVE ANGIOPATHY, WHICH DECREASES BLOOD SUPPLY, REDUCING THE INFLAMMATORY RESPONSE AND THE TISSUE HEALING. THIS CASE MUST BE UNDERSTOOD BY EVALUATING THE ANAMNESIS OF PATIENTS. ADDITIONALLY, THE DENTIST IN CHARGE MUST PROPOSE THE BETTER INDICATED TREATMENT FOR SUCH ORAL LESIONS. IT IS REPORTED IN BIBLIOGRAPHY THE LASER ABILITY TO INCREASE THE RATE OF GROWTH OF KERATINOCYTES, METABOLIC PROCESSES, AND COLLAGEN SYNTHESIS, THUS ENHANCING THE HEALING PROCESS, WHICH IS A MAJOR CONCERN FOR PATIENTS WITH DIABETES. ALSO, LASER TREATMENT PROMOTES A SMOOTH ANALGESIC EFFECT, AND AN ANTI-INFLAMMATORY EFFECT. LASERS WITH LOW INTENSITY ARE NOT BASED ON MECHANISMS OF HEAT TRANSFER, BUT DUE TO PHOTOPHYSICAL, PHOTOCHEMICAL, AND PHOTOBIOLOGICAL EFFECTS IN CELLS. LASER TREATMENT IS NOT RECOMMENDED FOR PREGNANT WOMEN, PATIENTS WITH EPILEPSY AND HEMOPHILIA. A HEALING TREATMENT, E.G. LASER-BASED TREATMENT, IS A PALLIATION, AND MUST BE ASSOCIATED WITH THE PATTERN INSULIN-BASED TREATMENT FOR PATIENTS WITH DIABETES MELLITUS. TRABALHO: PAINEL ÁREA: LASER APRESENTADOR(A) / AUTOR(A): NILTON ALVES COAUTOR(A) 1: IVONNE GARAY COAUTOR(A) 2: NAIRA FIGUEIREDO DEANA TEMA DO TRABALHO: EFFECTS OF DIFFERENT PROTOCOL DOSES OF LASER (GA-AL-AS, 904 NM) ON THE MANDIBULAR CONDYLE OF RABBITS: ANALYSIS BY CBCT RESUMO: METHODS: SIXTEEN RABBITS RANDOMLY DIVIDED INTO FOUR EXPERIMENTAL GROUPS (EG) OF 4 ANIMALS WERE USED IN THIS STUDY. WE CARRIED OUT A CONE BEAM COMPUTED TOMOGRAPHY (CBCT) EXAMINATION OF BOTH ATMS OF ALL ANIMALS WICH WERE USED AS CONTROL. SUBSEQUENTLY, WE RADIATE EACH ATM WITH LOW LEVEL LASER (LLL) (GA-AL-AS 904NM), 100MW, SPOT 0.2CM2, TWO POINTS, 3 TIMES/WEEK, TOTALING 10 TIMES, WITH DOSES OF 15 J/CM2 (EG-I), 45 J/CM2 (EG-II), 60 J/CM2 (EG-III), AND 90J/CM2 (EG-IV). AFTER 20 DAYS OF THE LAST IRRADIATION WE PERFORMED A NEW CBCT EXAM AND THEN THE MEASUREMENT OF THE CONDYLES ON THE CORONAL AND SAGITTAL PLANES WAS OBTAINED. IN THE ANALYSIS OF THE RESULTS ANOVA WAS USED. RESULTS:THE AVERAGE VALUES FOUND FOR THE EG WERE HIGHER THAN THOSE FOUND FOR CG FOR BOTH THE CORONAL AND SAGITTAL PLANES. THERE WAS A SIGNIFICANT STATISTICAL DIFFERENCE FOR GROUP I (P=0.04) AND BETWEEN THE GROUPS I AND II (P<0.1). CONCLUSIONS: THE AVERAGE VALUES FOUND IN THE MEASUREMENTS OF THE CONDYLES SUBMITTED TO DOSES OF LLL USED IN THIS STUDY WERE HIGHER THAN THOSE FOUND FOR THE CONTROL GROUP IN BOTH THE CORONAL AND SAGITTAL PLANES.THE CBCT PROVED TO BE AN EFFECTIVE METHOD FOR ANALYSIS OF CONDYLAR DIMENSIONS. TRABALHO: PAINEL ÁREA: LASER APRESENTADOR(A) / AUTOR(A): REBECA FERRAZ DE M ENEZES COAUTOR(A) 1: MARLENY ELIZABETH MARQUEZ M. GERBI COAUTOR(A) 2: CARLA RAQUEL FONTANA COAUTOR(A) 3: NATÁLIA COSTA BRASILINO COAUTOR(A) 4: VANDERLEI SALVADOR BAGNATO TEMA DO TRABALHO: USE OF PHOTODYNAMIC THERAPY FOR ORAL CAVITY DISINFECTION. RESUMO: THIS STUDY EVALUATED THE EFFECTS OF PHOTODYNAMIC THERAPY (PDT) ON BACTERIA DERIVED FROM HUMAN SALIVA AFTER PHOTOSENSITIZATION WITH CURCUMIN AND EXPOSURE TO BLUE LED LIGHT (440-460NM). A RANDOMIZED STUDY WAS PERFORMED IN 13 ADULTS. THREE GROUPS WERE ANALYZED: L-D- (CONTROL GROUP; NO LIGHT, NO DRUG), L-D + (TREATED ONLY WITH DRUGS) AND L+ D+ (TREATED WITH LIGHT AND DRUG). UNSTIMULATED SALIVA SAMPLES WERE COLLECTED FOR BACTERIAL COUNTING AT THE INITIAL AND AFTER THE EXPERIMENTAL PHASE. THE KOLMOGOROV-SMIRNOV AND T-STUDENT TESTS WERE USED FOR STATISTICAL ANALYSIS. IN L-D+ GROUP, THE BACTERIAL REDUCTION WAS OBSERVED ONLY 9% (P> 0.05). ONLY IN THE PDT GROUP (L+D+) STATISTICALLY SIGNIFICANT DECREASE WAS REGISTERED (P <0.05) IN THE POPULATION OF BACTERIA (68%). IT HAS BEEN DEMONSTRATED THAT PDT IS AN EFFECTIVE TECHNIQUE IN REDUCING SALIVARY MICROORGANISMS. THIS STUDY SHOWS THAT ORAL DISINFECTION MAY BE ACCOMPLISHED BY PHOTODYNAMIC THERAPY AND THAT THIS THERAPY IS A PROMISING ALTERNATIVE TECHNIQUE FOR REDUCING THE RISK OF POSTOPERATIVE INFECTIONS THROUGH A REDUCTION OF THE AMOUNT OF ORAL BACTERIA. TRABALHO: PAINEL ÁREA: LASER APRESENTADOR(A) / AUTOR(A): SERGIO SPEZZIA TEMA DO TRABALHO: THE LOW INTENSITY LASER EMPLOYMENT FOR TREATMENT OF ORAL MUCOSITIS COMING FROM CHEMOTHERAPEUTIC INTERVENTION RESUMO: THE EMERGENCE OF ORAL MUCOSITIS AMONG CANCER PATIENTS DURING CHEMOTHERAPY TREATMENT. THE CHEMOTHERAPY TREATMENT INHIBIT THE GROWTH OR TOTALLY DESTROY NEOPLASIA CELL, HOWEVER THIS THERAPY CAN NOT DISCRIMINATE CANCER CELL FROM NORMAL CELL (EX: ORAL MUCOSA CELL). THE AIM OF THE PRESENT STUDY IS RELATIVE TO THE VALUE OF THE PREVENTIVE DENTISTRY PROGRAM, EITHER AS HEALTH EDUCATION, PROMOTING ESSENCIAL CARES BEFORE THE BEGGINING OF CHEMOTHERAPY TREATMENT OR BEEN SUBMITTED TO LOW-ENERGY LASER APPLICATIONS. IN THE BEGGINING IT IS TREATED WHAT IS URGENT, AND THEN THE INESSENTIALS. THE PRIORITY IS RELATED TO SOME CLINICAL SITUATIONS: POSSIBLE DENTAL INFECTION, INFLAMMATIONS, ENDODONTICAL TREATMENT, LARGE CARIES PREVALENCE, ELIMINATION OF ORAL MUCOSA TRAUMATIC DENTURES, BEYOND HEALTH ORAL EDUCATION. CONCOMITANTLY WITH THE CHEMOTHERAPY BEGINNING, THEY START BEEN SUBMITTED TO LOW-ENERGY LASER APPLICATIONS, PRODUCING BIOSTIMULATION AND PREVENTIVELY AVOIDING MUCOSITIS EMERGENCE. IF THE WOUNDS COME UP, THE PROCESS WILL RETROGRADE, ACCELERATING THE PROCESS OF WOUND HEALING AND PROMOTING PAIN RELIEF, TO BE CURABLE. IT FOLLOWS AN IMPROVE OF THE PATIENT’S QUALITY OF LIFE WHO ARE SUBMITTED TO LOW-ENERGY LASER APPLICATIONS. DAMAGED BY SEVERAL SEQUELAES DEVELOPED OF THE USE OF DRUGS. IN THE MIDST OF: XEROSTOMIA, DYSPHAGIA, REGURGITATION, COMMUNICATION DIFFICULTIES, BURNING MOUTH, AND POSSIBLE INFECTION EMERGENCE. TRABALHO: PAINEL ÁREA: LASER APRESENTADOR(A) / AUTOR(A): VITOR HUGO PANHOCA COAUTOR(A) 1: FERNANDA ROSSI PAOLILLO COAUTOR(A) 2: VANDERLEI SALVADOR BAGNATO TEMA DO TRABALHO: THE EFFECTS OF LOW-LEVEL LASER THERAPY (LLLT) ON BELL'S PALSY RESUMO: BELL'S PALSY IS A FORM TEMPORARY OF UNILATERAL FACIAL PARALYSIS WITH DAMAGE TO THE VII CRANIAL NERVE. THE CAUSE IS UNKNOWN, BUT BELL'S PALSY INCLUDE VIRAL INFECTION OR AUTOIMMUNE DISEASES. IN THIS CONTEXT, LOW-LEVEL LASER THERAPY (LLLT) MAY ACCELERATE NERVE REGENERATION. THE AIM OF THIS STUDY WAS TO SHOW A CASE REPORT ABOUT THE EFFECTS OF LLLT ON BELL'S PALSY. A CASE REPORT OF THE MALE PATIENT WITH 50 YEARS OLD WAS PERFORMED. THE PARAMETER OF LLLT WERE: INFRARED WAVELENGTH (780 NM) WITH 70MW APPLIED DURING 60 SECONDS LEADING TO A DOSE OF 105J/CM² AND 4.2 J OF TOTAL ENERGY PER POINT. THE TREATMENT ON THE SIDE OF THE FACE WITH PARALYSIS WAS PERFORMED TWICE A WEEK. THE RESULTS SHOW THAT THE LLLT ACCELERATED BOTH MOTOR AND SENSORY RECOVERY AND IMPROVED QUALITY OF LIFE OF THE PATIENT. TRABALHO: PAINEL ÁREA: LASER APRESENTADOR(A) / AUTOR(A): VITOR HUGO PANHOCA COAUTOR(A) 1: TAILA Q CORRÊA COAUTOR(A) 2: FERNANDA ROSSI PAOLILLO COAUTOR(A) 3: CLÓVIS W. O. SOUZA COAUTOR(A) 4: VANDERLEI S. BAGNATO TEMA DO TRABALHO: ANTIMICROBIAL EFFECT OF PHOTODYNAMIC THERAPY ON THE STREPTOCOCCUS MUTANS BIOFILM ON ORTHODONTIC ACCESSORIES. RESUMO: THIS IN VITRO STUDY EVALUATES THE SUSCEPTIBILITY OF A BIOFILM FORMED BY S. MUTANS ON THE METALLIC SURFACE OF ORTHODONTIC ACCESSORIES UNDER THE APPLICATION OF PHOTODYNAMIC THERAPY (PDT) AND CURCUMIN INDUCED BY LED . TWENTY FOUR 5X5MM SAMPLES WERE OBTAINED FROM BLADES OF ORTHODONTIC BANDS (NICR). THE BIOFILM WAS CULTIVATED ON SAMPLES FROM A STANDARD ATCC 25175 STRAIN INOCULATED FOR A WEEK IN AN OVEN AT SUITABLE CONSTANT TEMPERATURE OF 37°C. THE SAMPLES WERE TREATED BY PHOTOSENSITIZER AT 1G/L, 0.1% CONCENTRATION SURFACTANT AND EXPOSED TO LIGHT 30J/CM² (~ 450 NM) FLUENCES. THE EXPERIMENTAL GROUPS STUDIED WERE P-S-L- (WASHED ONLY WITH SALINE); P-S-L+ (APPLYING ONLY LIGHT); P-S+L- (APPLYING ONLY SURFACTANT); P-S+L+ (APPLYING SURFACTANT AND LIGHT); P+S-L(APPLYING ONLY PHOTOSENSITIZER); P+S-L+ (APPLYING PHOTOSENSITIZER AND LIGHT); P+S+L-(APPLYING PHOTOSENSITIZER WITHOUT LIGHT + SURFACTANT) AND P+S+L+ (APPLYING PHOTOSENSITIZER AND LIGHT + SURFACTANT). THE SAMPLES WERE OBTAINED AND PROCESSED UNDER 8 EXPERIMENTAL CONDITIONS. FROM EACH SAMPLE, SERIAL DILUTIONS WERE COLLECTED AND ALIQUOTS WERE PLATED ON BHI PLUS 20% SUCROSE AND THEN INCUBATED (37°C FOR 48 HOURS). THE COLONIES WERE COUNTED (CFU/ML) AND THE RESULTS WERE ANALYZED BY ANOVA AND TUKEY POST HOC TEST (P<0.005). THE RESULTS SHOW THAT THE F+S+L+ GROUP PROMOTED A SIGNIFICANT DECREASE (P<0.001).
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